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-rw-r--r--arch/arm64/kernel/cpu_errata.c19
1 files changed, 19 insertions, 0 deletions
diff --git a/arch/arm64/kernel/cpu_errata.c b/arch/arm64/kernel/cpu_errata.c
index 76b8dd3709..828be635e7 100644
--- a/arch/arm64/kernel/cpu_errata.c
+++ b/arch/arm64/kernel/cpu_errata.c
@@ -432,6 +432,18 @@ static const struct midr_range erratum_spec_unpriv_load_list[] = {
};
#endif
+#ifdef CONFIG_ARM64_WORKAROUND_SPECULATIVE_SSBS
+static const struct midr_range erratum_spec_ssbs_list[] = {
+#ifdef CONFIG_ARM64_ERRATUM_3194386
+ MIDR_ALL_VERSIONS(MIDR_CORTEX_X4),
+#endif
+#ifdef CONFIG_ARM64_ERRATUM_3312417
+ MIDR_ALL_VERSIONS(MIDR_NEOVERSE_V3),
+#endif
+ {}
+};
+#endif
+
const struct arm64_cpu_capabilities arm64_errata[] = {
#ifdef CONFIG_ARM64_WORKAROUND_CLEAN_CACHE
{
@@ -729,6 +741,13 @@ const struct arm64_cpu_capabilities arm64_errata[] = {
MIDR_FIXED(MIDR_CPU_VAR_REV(1,1), BIT(25)),
},
#endif
+#ifdef CONFIG_ARM64_WORKAROUND_SPECULATIVE_SSBS
+ {
+ .desc = "ARM errata 3194386, 3312417",
+ .capability = ARM64_WORKAROUND_SPECULATIVE_SSBS,
+ ERRATA_MIDR_RANGE_LIST(erratum_spec_ssbs_list),
+ },
+#endif
#ifdef CONFIG_ARM64_WORKAROUND_SPECULATIVE_UNPRIV_LOAD
{
.desc = "ARM errata 2966298, 3117295",